970 resultados para Dreyfus, Alfred (1859-1935)
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Référence bibliographique : Rol, 59527
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Périodicité : Annuel
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Référence bibliographique : Rol, 60625
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Gold is widely distributed in the earth's crust in small quantities. Gold is found in nature in two forms; the element itself and the compound gold telluride. In all cases, silver in some proportion is an alloying constituent.
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von Alfred Dreyfus